import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { errorRoutes } from "@/router/index.js";

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  NProgress.start()
  document.title = getPageTitle(to.meta.title)
  const hasToken = getToken()
  if (hasToken) {
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else {
      if(store.state.permission.routes.length !== 0){
        next();
      } else {
          try {
            const roleInfo =  await store.dispatch('user/getInfo');
            const asyncRoutes = await store.dispatch('permission/getAsyncRoutes', roleInfo);
            let tmp = new Array().concat(asyncRoutes,errorRoutes);
            router.addRoutes(tmp);
            router.options.routes = router.options.routes.concat(tmp);
            next({...to,replace:true});
            //console.log(tmp, router.options.routes);
          } catch (error) {
            console.log(error);
            await store.dispatch('user/resetToken');
            Message.error("获取用户信息失败，请重新登录");
            next(`/login?redirect=${to.path}`);
            NProgress.done();
          }
        }
      }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
